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# DIGITAL EQUIPMENT CORPORATION
ETHERWORKS TURBO EISA ADAPTER (DE425)
Card Type Network Interface Card
NIC Type Ethernet
Maximum Onboard Memory Unidentified
Boot ROM Available
Network Transfer Rate 10Mbps
Topology Linear Bus, Star
Wiring Type Unshielded twisted pair
AUI transceiver via DB-15 port
RG-58A/U 50ohm coaxial
Data Bus 32-bit EISA
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|------------------+---------+---------------------+---------|
| UTP connector | CN1 | RG-58A/U connector | CN3 |
|------------------+---------+---------------------+---------|
| AUI connector | CN2 | | |
+------------------------------------------------------------+
+-------------------------------------------------------------+
| CONNECTION TYPE |
|-------------------------------------------------------------|
| Connection |JP1/A |JP1/B |JP1/C |JP1/D |JP1/E |JP1/F |JP1/G |
| Type | | | | | | | |
|------------+------+------+------+------+------+------+------|
|»|10Base2 |Pins 1|Pins 1|Pins 1|Pins 1|Pins 1|Pins 1|Pins 1|
| |ThinWire | & 2 | & 2 | & 2 | & 2 | & 2 | & 2 | & 2 |
| | |closed|closed|closed|closed|closed|closed|closed|
| |connection| | | | | | | |
|-+----------+------+------+------+------+------+------+------|
| |Ethernet |Pins 2|Pins 2|Pins 2|Pins 2|Pins 2|Pins 2|Pins 2|
| |via. AUI | & 3 | & 3 | & 3 | & 3 | & 3 | & 3 | & 3 |
| | |closed|closed|closed|closed|closed|closed|closed|
| |cable | | | | | | | |
| |connection| | | | | | | |
|-+----------+------+------+------+------+------+------+------|
| |10BaseT | All | All | All | All | All | All | All |
| |twister | pins | pins | pins | pins | pins | pins | pins |
| | | open | open | open | open | open | open | open |
| |pair | | | | | | | |
| |connection| | | | | | | |
|-------------------------------------------------------------|
|Note: Above settings are for AUI connector only. Settings for|
|UTP and RG-58A/U connectors are software configurable |
+-------------------------------------------------------------+
+------------------------------------------------------------+
| DIAGNOSTIC LED(S) |
|------------------------------------------------------------|
| LED | Color | Status | Condition |
|------+-------+----------+----------------------------------|
| LED1 | Red | On | Data is being |
| | | | transmitted/received |
|------+-------+----------+----------------------------------|
| LED1 | Red | Blinking | Data is being |
| | | | transmitted/received |
|------+-------+----------+----------------------------------|
| LED1 | Red | Off | Data is not being |
| | | | transmitted/received |
|------+-------+----------+----------------------------------|
| LED2 | Green | On | Network connection is good |
|------+-------+----------+----------------------------------|
| LED2 | Green | Blinking | Network connection is breaking |
|------+-------+----------+----------------------------------|
| LED2 | Green | Off | Network connection is broken |
|------------------------------------------------------------|
| Note: Exact location of LED’s is unidentified. |
+------------------------------------------------------------+